参数资料
型号: IDT74FCT16V721PV
厂商: INTEGRATED DEVICE TECHNOLOGY INC
元件分类: 总线收发器
英文描述: FCT SERIES, 20-BIT DRIVER, TRUE OUTPUT, PDSO56
封装: SSOP-56
文件页数: 4/7页
文件大小: 101K
代理商: IDT74FCT16V721PV
4
INDUSTRIALTEMPERATURERANGE
IDT74FCT16V721
3.3V CMOS 20-BIT REGISTER WITH CLOCK ENABLE
POWER SUPPLY CHARACTERISTICS
Symbol
Parameter
Test Conditions(1)
Min.
Typ.(2)
Max.
Unit
ICC
Quiescent Power Supply Current
VCC = Max.
VIN = VCC – 0.6V(3)
—2
30
A
ICCD
Dynamic Power Supply
Current(4)
VCC = Max.
Outputs Open
OE = GND
CLKEN = GND
50% Duty Cycle
One Input Toggling
VIN = VCC
VIN = GND
60
100
A/
MHz
IC
Total Power Supply Current(6)
VCC = Max.
Outputs Open
fCP = 10MHz
50% Duty Cycle
VIN = VCC
VIN = GND
—0.6
1
mA
OE = GND
CLKEN = GND
fi = 5MHz
50% Duty Cycle
One Bit Toggling
VIN = VCC –0.6V
VIN = GND
—0.6
1
VCC = Max.
Outputs Open
fCP = 10MHz
50% Duty Cycle
VIN = VCC
VIN = GND
—3.3
5.5(5)
OE = GND
CLKEN = GND
fi = 2.5MHz
50% Duty Cycle
Twenty Bits Toggling
VIN = VCC –0.6V
VIN = GND
—3.4
5.9(5)
NOTES:
1. VCC (max.) = 3.6V
2. Typical values are at VCC = 3.3V, +25°C ambient.
3. Per TTL driven input; all other inputs at VCC or GND.
4. This parameter is not directly testable, but is derived for use in Total Power Supply Calculations.
5. Values for these conditions are examples of the ICC formula.
These limits are guaranteed but not tested.
6. IC = IQUIESCENT + IINPUTS + IDYNAMIC
IC = ICC +
ICC DHNT + ICCD (fCPNCP/2 + fiNi)
ICC = Quiescent Current (ICCL, ICCH and ICCZ)
ICC = Power Supply Current for a TTL High Input
DH = Duty Cycle for TTL Inputs High
NT = Number of TTL Inputs at DH
ICCD = Dynamic Current Caused by an Input Transition Pair (HLH or LHL)
fCP = Clock Frequency for Register Devices (Zero for Non-Register Devices)
NCP = Number of Clock Inputs at fCP
fi = Input Frequency
Ni = Number of Inputs at fi
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